{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "biomedical", "process characterization", "concept or principle", "enabling technology", "material"], "input": "For a given weld , the size and aspect ratio of the columnar grains in the longitudinal and horizontal planes are shown to decrease with distance from the weld interface ."}
{"engineering feature": ["weld", "aspect ratio"], "biomedical": [], "process characterization": [], "concept or principle": ["interface"], "enabling technology": [], "material": []}